Clean a magnetic vehicle sign and the paint panel beneath it with water and mild detergent, then dry both completely before reinstalling. Remove the sign before washing the vehicle and check it regularly for trapped dirt or moisture. For storage, keep it clean, dry, flat and away from heat and direct sunlight; follow the sign maker’s instructions if they differ.
How to clean a magnetic vehicle sign safely
- Lift it off the vehicle. Remove the sign by its edges rather than dragging it across the paint, which can stretch the sign or damage its corners. Signs.com’s maintenance guide recommends lifting it carefully.
- Clean both surfaces. Wipe the sign’s front and magnetic side, as well as the vehicle panel it covered, with a soft cloth or sponge. Use water and mild detergent if needed; a microfiber cloth is optional. Signs.com says specialty cleaning products are unnecessary. Its care instructions and product FAQ recommend gentle cleaning.
- Rinse residue and dry completely. Do not immerse the sign. Let it air-dry or gently dry it with a soft towel before putting it back. Dust, grit or moisture caught between the sign and paint can cause problems, so make sure both surfaces are clean and dry before reinstalling. FASTSIGNS’ care guidance also advises gentle cleaning and drying.
Take the sign off before an automated or manual car wash and before using a power washer. Do not steam-clean it. These cleaning restrictions are recommended by Signs.com and FASTSIGNS.
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How often to remove and inspect the sign
Care instructions vary by provider: Signs.com’s maintenance article recommends frequent removal and says daily removal supports maximum longevity; its installation and maintenance guide advises wiping the sign several times a week; Signs & More recommends weekly removal. Follow the instructions supplied with your sign. As a cautious routine, check and clean it more often after rain, snow or dirty-road driving, when moisture or grit may be trapped underneath.
Whenever you remove it, inspect the sign and the covered paint for dirt, moisture or visible changes. FASTSIGNS UK advises weekly checks for discoloration or clear-coat clouding. Finish condition and use vary, so do not assume every vehicle’s paint will respond the same way.
#1 Best Overall
- Used as personalized magnets, customized car magnets and decals to print advertisement you want or repeated scribbling.
- Made of high quality materials, which means durable to stand up to years of use.
- Show your personality and sense of humor with this funny political magnetic sticker.
- This car magnet can easily cover your company logo.
- This 12x18 inch magnetic car sticker can be used to decorate your car, SUV, truck, boats, refrigerator, laptops, etc., any surface of iron, and also prevent scratches and dents.
How to store a magnetic sign between uses
- Store it clean and fully dry on a flat, level surface, preferably in a cool or room-temperature place away from direct sun and heat. Do not leave it in a hot vehicle.
- Never fold or crease the sign. Flat storage is the clearest shared recommendation, but instructions about rolling differ: Signs & More permits gentle rolling, while Signs.com’s guidance favors flat storage. Check your sign maker’s directions rather than treating rolling as universally safe.
- Keep it from being crushed or abraded. If it rests against another surface, Signs.com suggests nonabrasive fabric between surfaces; do not place heavy objects on top.
Choose a compatible panel and protect the paint
Attach the sign only to a flat, smooth, magnetic metal area. Avoid curved panels, protrusions, moldings, trim and nonmagnetic materials such as aluminum or fiberglass. A refrigerator magnet can help check whether a panel is magnetic, but use the sign maker’s installation directions to confirm placement.
Do not apply a magnetic sign to fresh paint until the paint has cured. Cure timing depends on the paint and vehicle: Signs.com’s 2024 guide estimates 30–90 days for a new vehicle paint job to harden and cure, while Signs & More recommends waiting at least 90 days. These are vendor recommendations, not a universal rule. Verify the appropriate wait with your vehicle or sign maker.
Rank #2
- Custom Magnets for Cars — Spread the word about your business with your very own vehicle magnets! These custom magnetic signs are a great promotional tool for your business, as you will be able to show your a graphic showcasing your company and other information to everyone you drive by! This listing is for one custom magnet.
- High Quality Magnetic Signs for Vehicles — Our custom car magnets for businesses feature a high quality print with matte finish and are flexible and durable for adverse weather. They feature round corners so that the magnets do not fly off while driving. The magnets are a thick 30 Mil and magnetized 12 poles per inch. They will strongly attach to ferromagnetic metal surfaces, so please make sure that the entire surface attracts magnets and is flat. Not all vehicle surfaces are ferromagnetic. The magnets must be removed and cleaned daily.
- A Great Promotional Message — These custom magnetic signs for vehicles will let everyone know about your business. Whether you do landscaping, plumbing, construction, roofing, real estate, offer handyman services, etc., everyone you drive by will get to know about you and your message. You can also add text. The customized door magnets are easily applicable and removable, making them a great branding option that can be applied temporarily!
- How to Customize — By clicking on "Customize Now" you can access the customization options available. You can add your own design, or choose from our pre-made business templates and add your text. To ensure a good print quality, please make sure the image that is uploaded is a digital version of the design in a high-quality, 300 DPI file. Feel free to let us know if you have any questions about the final result or how to personalize your customizable magnets.
- We conduct a quality check on every single custom car magnet we make. All of our custom magnetic car signs are printed in the United States and cut with slightly rounded corners.
Correct use and clean surfaces help reduce risk, but a magnet cannot be guaranteed harmless to every finish. Regularly remove it to clean underneath and inspect the paint, particularly if the vehicle is exposed to dirt or wet conditions.
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Which cleaning products do you need?
Water, mild detergent and a soft cloth or sponge are sufficient for routine care. A microfiber cloth is a convenient option, not a requirement. Avoid substituting stronger household cleaners, solvents or harsh scrubbing for the gentle method recommended by the sign maker.
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Best Value
- 𝗖𝗨𝗦𝗧𝗢𝗠 𝗠𝗔𝗚𝗡𝗘𝗧𝗜𝗖 𝗦𝗜𝗚𝗡𝗦 𝗙𝗢𝗥 𝗬𝗢𝗨𝗥 𝗩𝗘𝗛𝗜𝗖𝗟𝗘 - Upload your logo, text and colors to create professional car magnets for business advertising. Perfect for contractors, real estate agents, delivery drivers, cleaning services and other small businesses that want removable branding.
- 𝗠𝗨𝗟𝗧𝗜𝗣𝗟𝗘 𝗦𝗜𝗭𝗘𝗦 𝗙𝗢𝗥 𝗖𝗔𝗥𝗦, 𝗧𝗥𝗨𝗖𝗞𝗦 & 𝗩𝗔𝗡𝗦 - Choose from popular sizes like 12" x 18", 12" x 24", 16" x 22", 18" x 24" and 24" x 36" so you can match your vehicle doors, tailgate or side panels and get the right level of visibility.
- 𝗛𝗘𝗔𝗩𝗬-𝗗𝗨𝗧𝗬 𝟯𝟬 𝗠𝗜𝗟 𝗠𝗔𝗚𝗡𝗘𝗧𝗜𝗖 𝗩𝗜𝗡𝗬𝗟 - Thick, sign-grade magnetic material grips clean, flat steel surfaces and stays put during normal driving when properly applied. This is not thin fridge-magnet stock.
- 𝗪𝗘𝗔𝗧𝗛𝗘𝗥𝗣𝗥𝗢𝗢𝗙, 𝗨𝗩-𝗥𝗘𝗦𝗜𝗦𝗧𝗔𝗡𝗧 𝗣𝗥𝗜𝗡𝗧 - Printed with outdoor-grade UV inks on durable vinyl so your design stays sharp and readable in sun, rain and snow. Built for everyday work vehicles when cared for correctly.
- 𝗘𝗔𝗦𝗬 𝗧𝗢 𝗔𝗣𝗣𝗟𝗬, 𝗥𝗘𝗠𝗢𝗩𝗘 & 𝗥𝗘𝗨𝗦𝗘 - Place on a clean, dry, flat metal surface and smooth out air bubbles. Remove periodically to clean both magnet and paint. Magnets only stick to steel (they will not adhere to aluminum, fiberglass or plastic panels)—test with a fridge magnet before ordering.
Rank #4
- 【Car Magnet Set】Set of 2 magnetic signs for vehicles measuring 24 x 12 inches, 40 mil thick, blank car magnets with reinforced magnets that fit securely on the car, even at high speeds. No need to worry about being blown away on the highway
- 【Round Corner Design】Our blank car magnets are designed with rounded corners to enhance professionalism and ensure that the magnetic corners are not rolled up during high-speed driving. Always flatten the blank car magnets set - apply it directly to a clean, smooth Ferrous surface (does not work on aluminum, plastic, fiberglass, etc.)
- 【Cover Logos】Our magnetic sheet signs can easily help you cover the company logo on your car, easily protecting you when needed. Magnetic car signs can also be cut into the shape you want and affixed to surfaces that require protection, achieving an elegant and polished appearance. Similarly, magnetic stickers can serve as effective blocking tools to prevent scratches and dents
- 【Customization】The white car magnets are made of inkjet printable vinyl sheets and can be used with solvents, eco-friendly solvents, latex inks (or permanent markings) to create a perfect customized logo set or personalized car magnets and decals. With our customizable car signs, you will be able to use a new way to promote your brand or business
- 【Reusable Use】The flexible magnetic sheets are super convenient to use, just flatten and align with the metal surface. The flexible surface achieves maximum adhesion and can firmly adhere even in wind and rain. Magnetic car stickers are easy to use and disassemble, do not damage the vehicle paint, and can be easily transferred to any vehicle you drive, and can be reused
Rank #3
- Car Magnets and Decals - While these are specifically for outdoor use, such as cars, trucks, and buses, they have a wide range of applications, including use as personalized magnets, custom car decals, and an effective tools for prevent car door scratches from pets, neighbors, garage doors, etc.
- Rounded Corners - Vehicle magnets come with rounded corners to add a professional touch and (very importantly) to ensure magnetic sheets don't get lifted up when driving at highway speeds.
- White Magnet Sheetss - Our blank magnet sheets is 47 mil thick and work perfectly with any dry erase marker. Use these dry erase sheets as your companion in the kitchen, office or classroom. Also a great tool for getting organized or just to offer some space for doodles and short notes.
- Easy Use - Just write on, wipe off and reuse! It’s that easy! Can also be easily trimmed to size with a scissors.
- Magnetic Signs - Looking to advertise your business with a custom magnet? Our magnets are made from inkjet printable vinyl sheets that can be used with solvent, eco-solvent, UV and latex inks (or permanent markers) to create a perfect custom sign set or personalized car magnets and decals.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.




